feat: Adds git client tests, restructures files.

Sources/cli-version/Commands/BumpCommand.swift

@@ -0,0 +1,26 @@
+import ArgumentParser
+import CliClient
+import Dependencies
+
+struct BumpCommand: AsyncParsableCommand {
+
+  static let configuration = CommandConfiguration(
+    commandName: "bump",
+    abstract: "Bump version of a command-line tool."
+  )
+
+  @OptionGroup var globals: GlobalOptions
+
+  @Flag(
+    help: """
+    The semvar bump option, this is ignored if the configuration is set to use a branch/commit sha strategy.
+    """
+  )
+  var bumpOption: CliClient.BumpOption = .patch
+
+  func run() async throws {
+    try await globals.run(\.bump, args: bumpOption)
+  }
+}
+
+extension CliClient.BumpOption: EnumerableFlag {}